protected function _namespace($request, $options  = array()) {
		$name = $request->command;
		$defaults = array(
			'prefix' => $this->_library['prefix'],
			'prepend' => null,
			'spaces' => array(
				'model' => 'models', 'view' => 'views', 'controller' => 'controllers',
				'command' => 'extensions.command', 'adapter' => 'extensions.adapter',
				'helper' => 'extensions.helper'
			)
		);
		$options += $defaults;

		if (isset($options['spaces'][$name])) {
			$name = $options['spaces'][$name];
		}
		return str_replace('.', '\\', $options['prefix'] . $options['prepend'] . $name);
	}